Triple-q Order in from Proximity to Hidden-SU(2)-Symmetric Point

WGF Krüger, W Chen, X Jin, Y Li, L Janssen - Physical Review Letters, 2023 - APS
In extended Heisenberg-Kitaev-Gamma-type spin models, hidden-SU (2)-symmetric points
are isolated points in parameter space that can be mapped to pure Heisenberg models via …

Electronic and magnetic phase diagrams of the Kitaev quantum spin liquid candidate

S Zhang, S Lee, AJ Woods, WK Peria, SM Thomas… - Physical Review B, 2023 - APS
The 3 d 7 Co 2+-based insulating magnet Na 2 Co 2 TeO 6 has recently been reported to
have strong Kitaev interactions on a honeycomb lattice and is thus being considered as a …

Spin-phonon-charge coupling in the two-dimensional honeycomb lattice compound

A Tiwari, DC Kakarla, B Poojitha, P Sahoo, HL Liu… - Physical Review B, 2023 - APS
A two-dimensional honeycomb-structured magnet Ni 2 Te 3 O 8 was synthesized,
characterized, and comprehensively investigated for its intriguing physical properties. DC …

Field- and polarization-dependent quantum spin dynamics in the honeycomb magnet : Magnetic excitations and continuum

P Pilch, L Peedu, AK Bera, SM Yusuf, U Nagel, T Rõõm… - Physical Review B, 2023 - APS
We report terahertz spectroscopic measurements of quantum spin dynamics in the spin-1/2
honeycomb magnet Na 2 Co 2 TeO 6 as a function of applied magnetic field with different …

Spin vestigial orders in extended Heisenberg-Kitaev models near hidden SU(2) points: Application to

N Francini, L Janssen - Physical Review B, 2024 - APS
The honeycomb magnet Na 2 Co 2 TeO 6 has recently been argued to realize an
approximate hidden SU (2) symmetry that can be understood by means of a duality …

Unconventional multiferroicity induced by structural distortion and magnetostriction effect in the layered spin-1/2 ferrimagnet

A Pal, TW Yen, TW Kuo, CW Wang, SM Huang… - Physical Review B, 2023 - APS
Complex systems with strongly entangled microscopic degrees of freedom often host a
plethora of exotic properties. Herein, we report the unconventional and interesting …

Linear magnetoelectric coupling without long-range magnetic order and rare-earth-free large magnetocaloric effect in

S Mukherjee, N Mondal, M Polentarutti, G Bais… - Physical Review B, 2024 - APS
The cobalt atoms within the crystal structure of Co 3 V 2 O 8 arrange themselves into
kagome staircase lattices. Our low-temperature synchrotron diffraction studies confirm a …

Introducing the monoclinic polymorph of the honeycomb magnet

E Dufault, F Bahrami, A Streeter, X Yao, E Gonzalez… - Physical Review B, 2023 - APS
Recent theoretical studies have suggested that the low-energy Hamiltonian of honeycomb
cobaltate systems could be dominated by anisotropic Kitaev interactions. Motivated by the …

Ferrimagnetism from triple- order in

N Francini, L Janssen - Physical Review B, 2024 - APS
The candidate Kitaev magnet Na 2 Co 2 TeO 6 exhibits a characteristic ferrimagnetic
response at low temperatures, with a finite residual magnetization that changes sign at a …

Multiferroic order and large magnetic refrigeration capacity in : Significance of magnetic frustration and Jahn-Teller distortion

A Hati, S Mukherjee, N Mondal, S Bhowmik, G Manna… - Physical Review B, 2023 - APS
We present a noteworthy finding of high-temperature ferroelectric order in a fairly
unexplored Gd 2 MnFeO 6 compound, characterized by a disordered double-perovskite …